2xz2 | pdb_00002xz2

CRYSTAL STRUCTURE OF CSTF-50 HOMODIMERIZATION DOMAIN

spinqualitylabelsall models 2xz2, resolution 1.40Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 2xz2 is a 1 chain structure with sequence from Drosophila melanogaster. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Ligands: NA, PEG Resources: FirstGlance, OCA, RCSB, PDBsum Publication Abstract from PubMed The Cleavage stimulation Factor (CstF) complex is composed of three subunits and is essential for pre-mRNA 3'-end processing. CstF recognizes U and G/U-rich cis-acting RNA sequence elements and helps stabilize the Cleavage and Polyadenylation Specificity Factor (CPSF) at the polyadenylation site as required for productive RNA cleavage. Here, we describe the crystal structure of the N-terminal domain of Drosophila CstF-50 subunit. It forms a compact homodimer that exposes two geometrically opposite, identical, and conserved surfaces that may serve as binding platform. Together with previous data on the structure of CstF-77, homodimerization of CstF-50 N-terminal domain supports the model in which the functional state of CstF is a heterohexamer. Hexameric architecture of CstF supported by CstF-50 homodimerization domain structure.,Moreno-Morcillo M, Minvielle-Sebastia L, Mackereth C, Fribourg S RNA. 2011 Jan 13. PMID:21233223 From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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